fix

Author: lyne7-sc

datafusion/spark/src/function/math/unhex.rs

@@ -22,7 +22,7 @@ use datafusion_common::cast::{
 };
 use datafusion_common::types::logical_string;
 use datafusion_common::utils::take_function_args;
-use datafusion_common::{exec_err, DataFusionError, Result, ScalarValue};
+use datafusion_common::{DataFusionError, Result, ScalarValue, exec_err};
 use datafusion_expr::{
     Coercion, ColumnarValue, ScalarFunctionArgs, ScalarUDFImpl, Signature,
     TypeSignatureClass, Volatility,

datafusion/sqllogictest/test_files/spark/math/unhex.slt

@@ -39,12 +39,12 @@ abc
 
 # Odd length hex (left pad with 0)
 query ?
-SELECT unhex(a) FROM VALUES ('1A2B3', '1', 'ABC', '123');
+SELECT unhex(a) FROM VALUES ('1A2B3'), ('1'), ('ABC'), ('123') AS t(a);
 ----
 01a2b3
-1
-abc
-123
+01
+0abc
+0123
 
 # Null input
 query ?